Flood Zone Comparison
Compare key metrics between 21661 21661, MD — Zone AE and 32009 32009, FL — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21661 21661, MD — Zone AE | 32009 32009, FL — Zone A |
|---|---|---|
| name | 21661 21661, MD — Zone AE | 32009 32009, FL — Zone A |
| zip code | 21661 | 32009 |
| city | 21661 | 32009 |
| state | Maryland | Florida |
| state code | MD | FL |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | Zone A (High Risk — 100-Year Floodplain, No BFE) |
| risk level | High Risk | High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance (100-year flood) |
| insurance required | Required for federally-backed mortgages | Required for federally-backed mortgages |
| avg annual premium | 1,393 | 1,393 |
| base flood elevation | 8 ft | 29 ft |
| historical floods | 14 recorded flood events in the past 50 years. Most recent major flood: 2024 | 11 recorded flood events in the past 50 years. Most recent major flood: 2021 |
| nearest water | Galveston Bay (0.6 miles) | Columbia River (1.3 miles) |
| elevation ft | 1,948 | 49 |
| population | 19,217 | 78,217 |
| median home value | 767,123 | 743,836 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $14,044 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $199,210 |
| mitigation tips | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. |
| fema map id | 9764C222J | 2826C231J |
| last updated | 2025-01-01 | 2025-01-01 |
Our team analyzes data from FEMA National Flood Hazard Layer to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.